bugfix for links

tutorials/15_mcmc_diagnostics_with_arviz.ipynb

@@ -67,7 +67,7 @@
    "source": [
     "## Train MNLE to approximate the likelihood\n",
     "\n",
-    "For this tutorial, we will use a simple simulator with two parameters. For details see the [example on the decision making model](https://sbi-dev.github.io/sbi/examples/01_decision_making_model.md/). \n",
+    "For this tutorial, we will use a simple simulator with two parameters. For details see the [example on the decision making model](https://sbi-dev.github.io/sbi/examples/01_decision_making_model/). \n",
     "\n",
     "Here, we pass `mcmc_method=\"nuts\"` in order to use the underlying [`pyro` No-U-turn sampler](https://docs.pyro.ai/en/1.8.1/mcmc.html#nuts), but it would work as well with other samplers (e.g. \"slice_np_vectorized\", \"hmc\"). \n",
     "\n",